UNIVERSITY OF CALIFORNIA 



[GRINNELL-STORER] PLATE 47 



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a. Nest of Cliff Swallow, one of a colony on rock wall of jiullv near Snl'llin<,^ I'liolo- 

 jrraphed May 28, 1915. 



h. Nest of California Liniict in oM Inokcn ClilV Swallow's nest, in sanu' colony as 

 above. See text, pp. 420, 498. 



